The perimeter of a sector (sum of its arc length and the two radii) is and its…

MATHEMATICS · Single correct · CBSE · Mathematics · Areas Related to Circles · Areas Related to Circles

Problem

The perimeter of a sector (sum of its arc length and the two radii) is

54\,\text{cm}

and its central angle is

60^{\circ}

. Using

\pi = 3.14

, calculate the area of the sector. (a)

180.0\,\text{cm}^2

(b)

164.7\,\text{cm}^2

(c)

197.0\,\text{cm}^2

(d)

157.2\,\text{cm}^2